Remove named-xfer, it does not exist in BIND 9.

libexec/named-xfer/Makefile

@@ -1,30 +0,0 @@
-# $FreeBSD$
-
-USE_LIBBIND=	true
-.include "${.CURDIR}/../../usr.sbin/named/Makefile.inc"
-
-.PATH:	${BIND_DIR}/bin/named-xfer
-.PATH:	${BIND_DIR}/bin/named
-.PATH:	${BIND_DIR}/doc/man
-
-PROG=	named-xfer
-SRCS=	pathnames.h \
-	named-xfer.c db_glue.c ns_glue.c tmp_version.c 
-
-WFORMAT=0
-
-.if exists(${.OBJDIR}/../../lib/libisc)
-LIBISCDIR:=	${.OBJDIR}/../../lib/libisc
-.else
-LIBISCDIR!=	cd ${.CURDIR}/../../lib/libisc; make -V .OBJDIR
-.endif
-LIBISC:=	${LIBISCDIR}/libisc.a
-
-DPADD+=		${LIBISC}
-LDADD+=		${LIBISC}
-
-NOSHARED?=	YES
-
-MAN=	named-xfer.8
-
-.include <bsd.prog.mk>